A new model is proposed for improving password security with a heuristic method which tries to find out the password core by reasoning just like a hacker usually does in social engine and then transforms the password core into kinds of passwords to check whether the right one is in them.

Tentative Discussion Methods of Data Auditing in Environment Statistical;

Cleaner production auditing in plating enterprise Part Ⅰ—summary of cleaner production auditing;

Cleaner production auditing in plating enterprise PartⅡ-How to launch cleaner production auditing of plating industry;

Discussion on working essentials of construction cost verification;

Discussion on the methods for project budget and settlement verification;

Combined with practical experiences of cleaner production verification over many years, the different roles of propaganda and education in the early stage, medium stage and later stage of cleaner production verification are elaborated.

Application of the process-method in innerquality management system audit;

Engineering cost audit under engineering bill pricing mode;